diff --git a/screenshot/rk_master/capturescreentest.py b/screenshot/rk_master/capturescreentest.py
index 238965a808d78b8a314ce0147637b9331cabee47..186c48dc444fafce84ceb3d6951a6c6c2f97f829 100644
--- a/screenshot/rk_master/capturescreentest.py
+++ b/screenshot/rk_master/capturescreentest.py
@@ -179,7 +179,8 @@ if __name__ == "__main__":
                     else:
                         tolerance = global_pos['cmp_cmd-level'][1]
                     p = EnterCmd(new_cmp_cmd, single_action[0])
-                    num = re.findall(r'[-+]?\d+', p[0])
+                    num = re.findall(r'[-+]?\d+', p)
+                    MyPrint(num)
                     if type(num) == list and len(num) > 0 and int(num[0]) < tolerance:
                         testok = 1
                         MyPrint("{} screenshot check is ok!\n\n".format(raw_pic_name))